{"id":"CVE-2024-57900","summary":"ila: serialize calls to nf_register_net_hooks()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nila: serialize calls to nf_register_net_hooks()\n\nsyzbot found a race in ila_add_mapping() [1]\n\ncommit 031ae72825ce (\"ila: call nf_unregister_net_hooks() sooner\")\nattempted to fix a similar issue.\n\nLooking at the syzbot repro, we have concurrent ILA_CMD_ADD commands.\n\nAdd a mutex to make sure at most one thread is calling nf_register_net_hooks().\n\n[1]\n BUG: KASAN: slab-use-after-free in rht_key_hashfn include/linux/rhashtable.h:159 [inline]\n BUG: KASAN: slab-use-after-free in __rhashtable_lookup.constprop.0+0x426/0x550 include/linux/rhashtable.h:604\nRead of size 4 at addr ffff888028f40008 by task dhcpcd/5501\n\nCPU: 1 UID: 0 PID: 5501 Comm: dhcpcd Not tainted 6.13.0-rc4-syzkaller-00054-gd6ef8b40d075 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\nCall Trace:\n \u003cIRQ\u003e\n  __dump_stack lib/dump_stack.c:94 [inline]\n  dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120\n  print_address_description mm/kasan/report.c:378 [inline]\n  print_report+0xc3/0x620 mm/kasan/report.c:489\n  kasan_report+0xd9/0x110 mm/kasan/report.c:602\n  rht_key_hashfn include/linux/rhashtable.h:159 [inline]\n  __rhashtable_lookup.constprop.0+0x426/0x550 include/linux/rhashtable.h:604\n  rhashtable_lookup include/linux/rhashtable.h:646 [inline]\n  rhashtable_lookup_fast include/linux/rhashtable.h:672 [inline]\n  ila_lookup_wildcards net/ipv6/ila/ila_xlat.c:127 [inline]\n  ila_xlat_addr net/ipv6/ila/ila_xlat.c:652 [inline]\n  ila_nf_input+0x1ee/0x620 net/ipv6/ila/ila_xlat.c:185\n  nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]\n  nf_hook_slow+0xbb/0x200 net/netfilter/core.c:626\n  nf_hook.constprop.0+0x42e/0x750 include/linux/netfilter.h:269\n  NF_HOOK include/linux/netfilter.h:312 [inline]\n  ipv6_rcv+0xa4/0x680 net/ipv6/ip6_input.c:309\n  __netif_receive_skb_one_core+0x12e/0x1e0 net/core/dev.c:5672\n  __netif_receive_skb+0x1d/0x160 net/core/dev.c:5785\n  process_backlog+0x443/0x15f0 net/core/dev.c:6117\n  __napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:6883\n  napi_poll net/core/dev.c:6952 [inline]\n  net_rx_action+0xa94/0x1010 net/core/dev.c:7074\n  handle_softirqs+0x213/0x8f0 kernel/softirq.c:561\n  __do_softirq kernel/softirq.c:595 [inline]\n  invoke_softirq kernel/softirq.c:435 [inline]\n  __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662\n  irq_exit_rcu+0x9/0x30 kernel/softirq.c:678\n  instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]\n  sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049","modified":"2026-04-16T04:38:16.165247614Z","published":"2025-01-15T13:05:51.798Z","related":["SUSE-SU-2025:01919-1","SUSE-SU-2025:01951-1","SUSE-SU-2025:01967-1","SUSE-SU-2025:1177-1","SUSE-SU-2025:1178-1","SUSE-SU-2025:1180-1","SUSE-SU-2025:1293-1","SUSE-SU-2025:20190-1","SUSE-SU-2025:20192-1","SUSE-SU-2025:20260-1","SUSE-SU-2025:20270-1","USN-7379-2","USN-7380-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/57xxx/CVE-2024-57900.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1638f430f8900f2375f5de45508fbe553997e190"},{"type":"WEB","url":"https://git.kernel.org/stable/c/17e8fa894345e8d2c7a7642482267b275c3d4553"},{"type":"WEB","url":"https://git.kernel.org/stable/c/260466b576bca0081a7d4acecc8e93687aa22d0e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3d1b63cf468e446b9feaf4e4e73182b9cc82f460"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ad0677c37c14fa28913daea92d139644d7acf04e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d3017895e393536b234cf80a83fc463c08a28137"},{"type":"WEB","url":"https://git.kernel.org/stable/c/eba25e21dce7ec70e2b3f121b2f3a25a4ec43eca"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/57xxx/CVE-2024-57900.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-57900"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"7f00feaf107645d95a6d87e99b4d141ac0a08efd"},{"fixed":"1638f430f8900f2375f5de45508fbe553997e190"},{"fixed":"d3017895e393536b234cf80a83fc463c08a28137"},{"fixed":"ad0677c37c14fa28913daea92d139644d7acf04e"},{"fixed":"eba25e21dce7ec70e2b3f121b2f3a25a4ec43eca"},{"fixed":"17e8fa894345e8d2c7a7642482267b275c3d4553"},{"fixed":"3d1b63cf468e446b9feaf4e4e73182b9cc82f460"},{"fixed":"260466b576bca0081a7d4acecc8e93687aa22d0e"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-57900.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}